Box Culvert Tie Bolt Applications

Notes:
1. Tie bolts are manufactured from 29/32" diameter material conforming to ASTM A36.
2. Standard 1" diameter threads are rolled on adjusting bolts.
3. Heavy hex nuts conform to ASTM A563.
4. The welded pipe sleeve conforms to ASTM A53, Grade B.
5. Welding and weld inspections are done in accordance with AWS/ANSI D1.1-94 Structural Welding Code.
6. Pedestrian tunnels require the use of hidden tie bolts or countersunk design tie bolts.